textrendering/word/SRC/WPTESTPICTURE.H
author William Roberts <williamr@symbian.org>
Mon, 08 Mar 2010 21:45:11 +0000
branchCompilerCompatibility
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Create CompilerCompatibility branch
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/*
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* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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#ifndef __WPTESTPICTURE_H__
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#define __WPTESTPICTURE_H__
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#include <e32std.h>
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#include <e32base.h>
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#include <s32stor.h>
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#include <gdi.h>
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const TUid KUidWordTestPictureType={268435511};
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//
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class CWordTestPicture : public CPicture
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/**
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Very simple picture: just draws a red square. 
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CWordTest inserts one of these in the rich text in its InsertPictureL method.
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@internalComponent
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*/
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    {
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public:
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	IMPORT_C static CWordTestPicture* NewLC();
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	IMPORT_C static CWordTestPicture* NewL(const CStreamStore& aStore,TStreamId aId);
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	IMPORT_C ~CWordTestPicture();
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	//
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	IMPORT_C void ExternalizeL(RWriteStream& aStream)const;
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	IMPORT_C void InternalizeL(RReadStream& aStream);
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	IMPORT_C void RestoreL(const CStreamStore& aStore,TStreamId aId);
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	//
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	IMPORT_C void GetOriginalSizeInTwips(TSize& aSize) const;
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	//
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	IMPORT_C virtual void Draw(CGraphicsContext& aGc,const TPoint& aTopLeft,const TRect& aClipRect,MGraphicsDeviceMap* aMap=NULL)const;
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private:
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	CWordTestPicture();
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	TSize iOriginalSizeInTwips;
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/**
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iLabel is a dummy data member. The CPicture framework seems to assume that 
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all CPictures will contain data members to externalize. If we do not externalize 
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anything to the stream we're given in ExternalizeL, then the stream store 
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will abandon that stream and reuse its stream ID for the next picture. 
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CStoreMap::BindL will subsequently panic because the map contains two identical 
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stream IDs which refer to different pictures.
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So we write something to the stream, to ensure that the store generates a 
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unique ID for each picture.
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*/
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	TChar iLabel; 
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	};
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class TWordTestPictureFactory : public MPictureFactory
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/**
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Factory which creates CWordTestPicture objects only. 
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Used for restoring pictures when loading documents. 
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CWordDocument needs to supply one of these to the rich text object. 
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@internalComponent
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*/
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	{
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public:
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	virtual void NewPictureL(TPictureHeader& aHeader,const CStreamStore& aDeferredPictureStore) const;
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	};
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#endif